# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.10.2)

# Declares and names the project.

project("app")

# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.

add_library( # Sets the name of the library.
    app-lib

    # Sets the library as a shared library.
    SHARED

    # Provides a relative path to your source file(s).
    simplex-api.c)

# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.

find_library( # Sets the name of the path variable.
    log-lib

    # Specifies the name of the NDK library that
    # you want CMake to locate.
    log)

find_library( # Sets the name of the path variable.
    c-lib

    # Specifies the name of the NDK library that
    # you want CMake to locate.
    c
    NAMES libc.so
    REQUIRED)

add_library( simplex SHARED IMPORTED )
set_target_properties( simplex PROPERTIES IMPORTED_LOCATION
    ${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI}/libsimplex.so)

add_library( support SHARED IMPORTED )
set_target_properties( support PROPERTIES IMPORTED_LOCATION
    ${CMAKE_SOURCE_DIR}/libs/${ANDROID_ABI}/libsupport.so)

# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.

# https://developer.android.com/guide/practices/page-sizes#cmake
target_link_options(app-lib PRIVATE "-Wl,-z,max-page-size=16384")

target_link_libraries( # Specifies the target library.
    app-lib

    simplex support

    # Links the target library to the log library
    # included in the NDK.
    ${log-lib})
